| 摘要 |
The present invention relates to a sports device, such as a surf board, water board, and the like for use by persons in moving over a water surface. The device generally has:
a) a central foam core;b) a cover fabric laminated around the central foam core;c) a laminating adhesive securing the cover fabric to the central foam core; andd) a water resistant polymeric coating covering the laminated cover fabric and laminating adhesive.;The laminating adhesive generally has a specific gravity of less than 2.0 g/m3. The laminating adhesive may have a Shore A hardness of at least 70 and may be a water-based polyurethane emulsion, a methacrylate-acrylate copolymer emulsion, an epoxy or epoxy-acrylate hybrid emulsion adhesive or a mixture of at least any two of these adhesives. |
